<!DOCTYPE html><html lang=en><head><meta charset=utf-8><meta http-equiv=X-UA-Compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><link rel=icon href=/seed-workbench-ui/favicon.ico><title>Ant Design 是西湖区最具影响力的 Web 设计规范</title><style>html,
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        height: 100%;
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      .box {
        height: 80px;
        width: 80px;
        position: relative;
        top: calc(50% - 80px);
        left: calc(50% - 50px);
        perspective: 1000px;
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      .thing {
        height: 40px;
        width: 40px;
        background-color: #E87722;
        position: absolute;
        box-sizing: border-box;
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      .thing:nth-of-type(1) {
        animation: bounce 0.5s ease-in-out infinite alternate, move 4s -1s infinite;
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      .thing:nth-of-type(2) {
        animation: bounce 0.5s ease-in-out infinite alternate, move 4s -2s infinite;
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      .thing:nth-of-type(3) {
        animation: bounce 0.5s ease-in-out infinite alternate, move 4s -3s infinite;
      }
  
      .thing:nth-of-type(4) {
        animation: bounce 0.5s ease-in-out infinite alternate, move 4s -4s infinite;
      }
  
      @keyframes bounce {
        from {
          transform: scale(1);
        }
  
        to {
          transform: scale(0.8);
        }
      }
  
      @keyframes move {
        0% {
          top: 0;
          left: 0;
          background-color: #E87722;
        }
  
        25% {
          top: 0;
          left: 50%;
          background-color: #42b983;
        }
  
        50% {
          top: 50%;
          left: 50%;
          background-color: #69B3E7;
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        75% {
          top: 50%;
          left: 0;
          background-color: #FFC845;
        }
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